(0 19 17 14 12 8 4)(1 20 18)(2 10 9)(3 21 6)(5 11 7)(13 16 15)
ALLOWS (11/8)-SEQUENCE
1: (0 4 8)

(0 4 19 17 14 12 8)(1 20 18)(2 10 9)(3 21 6)(5 11 7)(13 16 15)
2: (3 21 6)

(0 4 19 17 14 12 8)(1 20 18)(2 10 9)(3)(5 11 7)(6)(13 16 15)(21)
3: (5 11 7)

(0 4 19 17 14 12 8)(1 20 18)(2 10 9)(3)(5)(6)(7)(11)(13 16 15)(21)
4: (0 4 19)

(0 17 14 12 8)(1 20 18)(2 10 9)(3)(4)(5)(6)(7)(11)(13 16 15)(19)(21)